public Image(VulkanPhysicalDevice myDevice, ImageCreateInfo pCreateInfo, AllocationCallbacks pAllocator = null)
{
this.Device = myDevice;
Result result;
unsafe
{
fixed(UInt64 *ptrpImage = &this.m)
{
result = Interop.NativeMethods.vkCreateImage(myDevice.LogicalDevice.m, pCreateInfo != null ? pCreateInfo.m : (Interop.ImageCreateInfo *) default(IntPtr), pAllocator != null ? pAllocator.m : null, ptrpImage);
}
if (result != Result.Success)
{
throw new ResultException(result);
}
}
MemoryRequirements myRequirements = GetImageMemoryRequirements();
MemoryAllocateInfo MemInfo = new MemoryAllocateInfo();
MemInfo.AllocationSize = myRequirements.Size;
MemInfo.MemoryTypeIndex = myDevice.GetMemoryIndexFromProperty(myRequirements.MemoryTypeBits, MemoryPropertyFlags.DeviceLocal);
deviceMemory = new DeviceMemory(myDevice.LogicalDevice, MemInfo);
BindImageMemory(deviceMemory, 0);
}
private unsafe IntPtr SetupCopy <T>(int mySize)
{
if (SizeOfBuffer == 0)
{
SizeOfInternalStructure = mySize;
var memoryReq = myActiveDevice.LogicalDevice.GetBufferMemoryRequirements(this);
SizeOfBuffer = memoryReq.Size;
allocInfo = new MemoryAllocateInfo {
AllocationSize = memoryReq.Size
};
var memoryProperties = myActiveDevice.GetMemoryProperties();
bool heapIndexSet = false;
var memoryTypes = memoryProperties.MemoryTypes;
for (uint i = 0; i < memoryProperties.MemoryTypeCount; i++)
{
if (((memoryReq.MemoryTypeBits >> (int)i) & 1) == 1 &&
(memoryTypes[i].PropertyFlags & MemoryPropertyFlags.HostVisible) == MemoryPropertyFlags.HostVisible)
{
allocInfo.MemoryTypeIndex = i;
heapIndexSet = true;
}
}
if (!heapIndexSet)
{
allocInfo.MemoryTypeIndex = memoryProperties.MemoryTypes[0].HeapIndex;
}
}
deviceMemory = new DeviceMemory(myActiveDevice.LogicalDevice, allocInfo);
return(myActiveDevice.LogicalDevice.MapMemory(deviceMemory, 0, mySize, 0));
}
//static object BindMemoryLock()
public void BindImageMemory(DeviceMemory memory, DeviceSize memoryOffset)
{
Result result;
unsafe
{
result = Interop.NativeMethods.vkBindImageMemory(Device.LogicalDevice.m, this.m, memory != null ? memory.m : default(UInt64), memoryOffset);
if (result != Result.Success)
{
throw new ResultException(result);
}
}
}
private void createIndexBuffer()
{
var size = Marshal.SizeOf(typeof(short)) * this.indices.Count;
var transferUsage = Vk.BufferUsageFlags.TransferSrc;
var indexUsage = Vk.BufferUsageFlags.IndexBuffer
| Vk.BufferUsageFlags.TransferDst;
var transferMemoryProps = Vk.MemoryPropertyFlags.DeviceLocal;
var indexMemoryProps = Vk.MemoryPropertyFlags.HostVisible
| Vk.MemoryPropertyFlags.HostCoherent;
var sharingMode = this.GetSharingMode();
BufferWithMemory stagingBuffer;
try {
stagingBuffer = VkHelper.CreateBuffer(this, size, transferUsage,
transferMemoryProps, sharingMode);
} catch (Vk.ResultException result) {
throw new VkException("An error occurred while creating the staging buffer.", result);
}
IntPtr memory = this.Device.MapMemory(stagingBuffer.Memory, 0, size);
var indexArray = this.indices.ToArray();
MemoryManagement.ArrayToPtr <short>(indexArray, memory, false);
this.Device.UnmapMemory(stagingBuffer.Memory);
try {
BufferWithMemory indexBuffer = VkHelper.CreateBuffer(this, size, indexUsage,
indexMemoryProps, sharingMode);
this.vkIndexBuffer = indexBuffer.Buffer;
this.vkIndexBufferMemory = indexBuffer.Memory;
} catch (Vk.ResultException result) {
throw new VkException("An error occurred while creating the index buffer.", result);
}
VkHelper.CopyBuffer(stagingBuffer.Buffer, this.vkIndexBuffer, size, this);
stagingBuffer.Destroy(this.Device);
}
